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Red Hat Enterprise Linux 8.4 RHSA-2022-6541-01 Moderate PHP Update

red hat
Calendar Grey September 17, 2022
Dist Redhat Esm H88
A significant PHP 7.4 patch for Red Hat Enterprise Linux has been released to tackle vulnerabilities related to unserialization exploits.
An update for the php:7.4 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

Summary

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.
Security Fix(es):
* Archive_Tar: allows an unserialization attack because phar: is blocked but PHAR: is not blocked (CVE-2020-28948)
* Archive_Tar: improper filename sanitization leads to file overwrites (CVE-2020-28949)
* Archive_Tar: directory traversal due to inadequate checking of symbolic links (CVE-2020-36193)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory moderate update red hat php modification archive tar

References

https://access.redhat.com/security/cve/CVE-2020-28948 https://access.redhat.com/security/cve/CVE-2020-28949 https://access.redhat.com/security/cve/CVE-2020-36193 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source: libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.src.rpm php-7.4.6-5.module+el8.4.0+15727+276bb227.src.rpm php-pear-1.10.13-1.module+el8.4.0+16578+ed65e99e.src.rpm php-pecl-apcu-5.1.18-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-rrd-2.0.1-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-xdebug-2.9.5-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-zip-1.18.2-1.module+el8.3.0+6678+b09f589e.src.rpm
aarch64: libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-debugsource-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-devel-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-tools-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-tools-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm php-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm php-bcmath-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm php-bcmath-debuginfo-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm php-cli-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm php-cli-debuginfo-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm php-common-7.4.6-5.module+el8.4.0+15727+276bb227.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6541-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6541
Issue date: 2022-09-15

Topic

An update for the php:7.4 module is now available for Red Hat EnterpriseLinux 8.4 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate update red hat php modification archive tar

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1904001 - CVE-2020-28948 Archive_Tar: allows an unserialization attack because phar: is blocked but PHAR: is not blocked

1910323 - CVE-2020-28949 Archive_Tar: improper filename sanitization leads to file overwrites

1942961 - CVE-2020-36193 Archive_Tar: directory traversal due to inadequate checking of symbolic links

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